[ARM] pxa: add set_type to the pxa3xx ext_wakeup irq chip.
pxa3xx cpu needs the irq type setup to be able to
wakeup from low power mode on IRQ_WAKEUPx events.
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c
index f544e58..c18d2df 100644
--- a/arch/arm/mach-pxa/pxa3xx.c
+++ b/arch/arm/mach-pxa/pxa3xx.c
@@ -552,11 +552,23 @@
PECR |= PECR_IE(irq - IRQ_WAKEUP0);
}
+static int pxa_set_ext_wakeup_type(unsigned int irq, unsigned int flow_type)
+{
+ if (flow_type & IRQ_TYPE_EDGE_RISING)
+ PWER |= 1 << (irq - IRQ_WAKEUP0);
+
+ if (flow_type & IRQ_TYPE_EDGE_FALLING)
+ PWER |= 1 << (irq - IRQ_WAKEUP0 + 2);
+
+ return 0;
+}
+
static struct irq_chip pxa_ext_wakeup_chip = {
.name = "WAKEUP",
.ack = pxa_ack_ext_wakeup,
.mask = pxa_mask_ext_wakeup,
.unmask = pxa_unmask_ext_wakeup,
+ .set_type = pxa_set_ext_wakeup_type,
};
static void __init pxa_init_ext_wakeup_irq(set_wake_t fn)